Chamberlain RSW12UL Installation Manual page 39

SYMPTOM POSSIBLE CAUSES
Accessories a. Accessory power protector active
connected to
b. Defective control board
Accessory power
not working
correctly, turning
off, or resetting.
Solar operator not a. Insufficient panel wattage
getting enough
b. Excessive accessory power draw
cycles per day.
c. Old batteries
d. Solar panels are not getting enough sunlight
Solar operator, a. Insufficient panel wattage
insufficient standby
b. Excessive accessory power draw
time.
c. Battery capacity too low
TROUBLESHOOTING
SOLUTIONS
a. Disconnect all accessory powered devices and measure
b. Replace defective control board
a. Add more solar panels
b. Reduce the accessory power draw by using LiftMaster low
c. Replace batteries
d. Relocate the solar panels away from obstructions (trees,
a. Add more solar panels
b. Reduce the accessory power draw by using LiftMaster low
c. Use batteries with higher amp hour (AH) rating
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accessory power voltage (should be 11.5 – 17.5 Vdc). If voltage
is correct, connect accessories one at a time, measuring
accessory voltage after every new connection.
power accessories
buildings, etc.)
power accessories